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MC33797EKR2 bảng dữ liệu(PDF) 9 Page - Freescale Semiconductor, Inc |
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MC33797EKR2 bảng dữ liệu(HTML) 9 Page - Freescale Semiconductor, Inc |
9 / 34 page Analog Integrated Circuit Device Data Freescale Semiconductor 9 33797 ELECTRICAL CHARACTERISTICS STATIC ELECTRICAL CHARACTERISTICS RST INPUT PIN (ACTIVE LOW) (11) System Reset Threshold VDDRST – – 4.1 V Internal Current Pull-Down IRST -6 -10 -15 µA RST Logic Low Level VRST(LO) 0.0 2.5 0.35 x VDD V RST Logic High Level VRST(HI) 0.65 x VDD 2.5 1.0 x VDD V SQUIB DIAGNOSTICS ($D0–$D3 COMMANDS) (12) Diagnostic Current Through Squib (13) IDIAG 30 34 40.5 mA Resistance Threshold 1 (13) RTH1 1.2 1.4 1.6 Ω Resistance Threshold 2 (13) RTH2 1.6 1.8 2.1 Ω Resistance Threshold 3 (13) RTH3 2.1 2.4 2.6 Ω Resistance Threshold 4 (13) RTH4 2.6 2.9 3.2 Ω Resistance Threshold 5 (13) RTH5 3.3 3.7 4.4 Ω Resistance Threshold 6 (13) RTH6 4.6 5.4 6.0 Ω Resistance Threshold 7 (13) RTH7 5.7 6.5 7.1 Ω Resistance Threshold 8 (13) RTH8 6.7 7.8 8.5 Ω SQUIB SHORT-TO-BATTERY/GROUND DIAGNOSTICS AND SQUIB HARNESS SHORT-TO-BATTERY/GROUND DIAGNOSTICS WITH AN OPEN SQUIB ($C1, $C3 COMMANDS) Voltage Threshold for SQB_LO and SQB_HI Shorted to VPWR 7.0 V ≤ V VDIAG_X ≤ 35 V VTHSB 5.7 6.0 6.4 V Voltage Threshold for SQB_LO and SQB_HI Shorted to Ground 7.0 V ≤ V VDIAG_X ≤ 35 V VTHSG 1.3 1.4 1.6 V Current Sink Shorts Measurements I_SQB_LO_XX (14) 1.0 V ≤ SENSE_XX ≤ 16 V, Typical = 800 µA ISINKSHRTS -500 -800 -900 µA Current Source Shorts Measurements I_SQB_HI_XX (14) 1.0 V ≤ SENSE_XX ≤ 16 V, 7.0 V ≤ V VDIAG_X ≤ 35 V ISOURSHRTS 1.7 3.5 3.7 mA Voltage Threshold for SQB_LO or SQB_HI Shorted to VPWR with an Open Squib using $C3 Command RSQUIB = Open VTHSB_SO 5.75 – 6.75 V Notes 11 Reset Bar range of operation: The minimum system reset bar threshold/active will be set to “0” for a value of VDD ≤ 4.1 V. 12 By changing the R_DIAG resistor value, the resistance thresholds can be varied in a linear relationship.The R_DIAG resistance can be changed by ±10% to shift the thresholds by ±10%. Design goal for resistance threshold change is ±15%. R_DIAG threshold limit may have to be changed to accommodate ±15% change. Example: Shifting the R_DIAG resistance value ±10%, the resistance threshold will change by ±10%. Refer to Table 4, page 12. 13 RR_DIAG = 10 kΩ ±1.0% 14 XX = 1A, 1B, 2A, or 2B. Table 3. Static Electrical Characteristics (continued) Characteristics noted under conditions 4.75 V ≤ VDD ≤ 5.25 V; 7.0 V ≤ VVFIRE_XX ≤ 35 V; VVDIAG_X = VVFIRE_XX; FEN 1 = FEN 2 = VDD; RR_LIMIT_X = 10 kΩ ±1%, RR_DIAG = 10 kΩ ±1%, -40°C ≤ TA ≤ +85°C, GND = 0 unless otherwise noted. Typical values noted reflect the approximate parameter means at TA = 25°C under nominal conditions unless otherwise noted. Characteristic Symbol Min Typ Max Unit |
Số phần tương tự - MC33797EKR2 |
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Mô tả tương tự - MC33797EKR2 |
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